Compositions vs Transitions

[P. Franklin]

Intro: I am still learning how to use Kdenlive in my almost non existant 
free time but I have a question.

(Probably  the first of many even with a FAQ page available.)

Environment: I am using the Kdenlive 19 appimage on an Acer laptop with 
4GB of ram. Fedora 30 XFCE.

Question: I notice that some screen shots online show a composite tab 
and an effects tab like mine and others show a transitions tab and a 
properties tab and an effects tab in the center work area. What 
determines what tabs are available there and how do I get the much 
needed transitions tab? At first glance, I believe that what I need for 
mixing two simultanious videos is transitions not compositions. Any 
help? Thanks.


-Paul


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